/Engine/Plugins/FX/Niagara/Source/NiagaraEditor/Public/NiagaraParameterMapHistory.h
Does this parameter start with the "Particles" namespace?
namespace FNiagaraParameterUtilities { bool FNiagaraParameterUtilities::IsAttribute ( const [FNiagaraVariableBase](API\Plugins\Niagara\FNiagaraVariableBase) & InVar ) }